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利用生物自识别和自组装技术制备新一代导电杂化纳米线
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摘要
新一代的杂化纳米线需要能够将功能性的纳米器件集成到光催化、光学器件等综合应用领域,因此新一代的杂化纳米线需要在确保量子限域的前提下增加其在表面诱发电子传递的能力。本文模仿自然界中为保持细胞结构而存在的生物自识别和自组装过程,基于硫掺杂碳量子点制备了稳定、独立、导电的纳米线,并利用传统的原子和光学技术对其物理化学性质(如组成、形貌、直径等)进行了表征。同时利用扫描伏安法中的峰值电流表征了合成的纳米线的电子转移速率,结果表明合成的杂化纳米线能够有效减少能量损失,具有在纳微米功能器件中应用的潜力。
The next generation of nanowires that could help advance the integration of functional nanodevices into synthetic applications from photocatalysis to optical devices need to demonstrate increased ability to induce electron transfer at their interfaces while ensuring quantum confinement.Herein we mimicked nature's biological recognition and self-assembly normally responsible for maintaining cell structure in order to create stable,free standing and conductive sulfur-doped carbon nanodots-based nanowires.We evaluated the physico-chemical properties(e.g.,composition,morphology,diameter etc.) of such user-synthesized nanowires using classical atomic and spectroscopic techniques,while the electron transfer rate was measured using peak currents formed during a voltammetry scanning.Our results demonstrate the ability to create individually addressable hybrid nanowires capable to reduce energy losses that could be used in the future to advance nanometer-scale implementation of functional devices.
引文
1.Xu,Q.,Pu,P.,Zhao,J.,Dong,C.,Gao,C.,Chen,Y.,Chen,J.,Liu,Y.,Zhou,H.,J.Mater.Chem.A,2015,3(2),542.
    2.Xu,Q.,Liu,Y.,Gao,C.,Wei,J.,Zhou,H.,Chen,Y.,Dong,C.,Sreeprasad,T.S.,Li,N.,Xia,Z.,J.Mater.Chem.C,2015,3(38),9885.
    3.Dong,C.,Dinu,C.Z.,Curr.Opin.Biotech.2013,24(4),612.

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